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71. 发明专利

JPS51122615A ALLOY FOR SOLID ROTORS 失效
公开(公告)号：JPS51122615A
公开(公告)日：1976-10-26
申请号：JP4746375
申请日：1975-04-21
申请人： HITACHI LTD
发明人： TSUCHIYA MASATOSHI , TENNO HIROSHI , SAKAMOTO HIROSHI
IPC分类号： H02K1/02 , C22C19/07 , C22C38/00 , C22C38/12 , H01F1/04 , H01F1/14
摘要： PURPOSE:Magnetic materiaal for the rotors of high frequency motors with low electric resistance, high strength, and sufficient toughness.

72. 发明专利

JPS5145711A 失效
公开(公告)号：JPS5145711A
公开(公告)日：1976-04-19
申请号：JP11926674
申请日：1974-10-18
申请人： HITACHI LTD
发明人： TSUCHA MASATOSHI , TENNO HIROSHI
IPC分类号： H02K15/02 , H02K17/16 , H02K19/02

73. 发明专利

JPS57197440A LIFE FORESEEING METHOD FOR ACTUAL COMPONENT 失效
公开(公告)号：JPS57197440A
公开(公告)日：1982-12-03
申请号：JP8095181
申请日：1981-05-29
申请人： HITACHI LTD
发明人： SHIYOUJI MORITAKA , NAKAGAWA YUUSAKU , TENNO HIROSHI , SHINOYA KENEI
IPC分类号： G01M99/00 , G01N3/06 , G01N3/32
摘要： PURPOSE:To foresee the life of an actual member surely and easily, by fixing a test sample of the same material as a part where the stress of an actual member is loaded on the actual member so that the stress following to the stress can be loaded to the test sample. CONSTITUTION:A fixed blade 2 is provided for a turbine shaft 1 and a nozzle 3 is provided on this tip. Grooves 4 are provided between fixed blades 2. On the surface of the groove 4, test samples 5 made of the same material as the turbine shaft 1 are fixed on a lot of bolts. The test samples 5 are curved only toward the circumferential direction so that they can be fitted to the circular shape of the turbine shaft 1. A lot of holes 6 are made through the samples 5 and the samples 5 are fixed to the turbine shaft 1 with the bolt inserted through the holes.

74. 发明专利

JPS57180036A DIRECTLY-HEATED CATHODE FOR ELECTRON TUBE 失效
公开(公告)号：JPS57180036A
公开(公告)日：1982-11-05
申请号：JP6261181
申请日：1981-04-27
申请人： HITACHI LTD
发明人： SAKAMOTO HIROSHI , TENNO HIROSHI , SUWA MASATERU , ONODERA KIYUUKICHI
IPC分类号： H01J29/04 , H01J1/14 , H01J1/15 , H01J9/04
摘要： PURPOSE:To obtain a base material capable of holding initial performance for a long period of time by a method wherein a NI-Mg alloy having the predetermined mixture ratio of the elements is sandwiched as a central material between sandwich-materials and all of these materials are uniformly coated with a solvent in which Ni powder has been dispersed, before being heated and combined together. CONSTITUTION:A Ni-15-30%W alloy containing no reducing agents is processed through cold working and the like to prepare a core alloy 7 as a sandwich- material and subsequently a Ni-0.1-2.0%Mg alloy 4 is cast in a mold to prepare a central material. Each of the Ni-Mg alloy 4 and core alloy 7 is uniformly coated, using a brush, with Ni paste 2 prepared by dispersing, for instance, Ni powder having a grain diameter of 1-50u in a solvent of nitrocellulose and the like and these alloys are piled up, before being heated by hydrogen or inert gas and the like to combine them together. Then the materials on either side of the combination at a right angle to the direction in which it has been roll-reduced are welded together. In so doing, it becomes possible to obtain an excellent base material capable of holding initial performance for a long period of time.

75. 发明专利

JPS5784332A Manufacture of test piece for estimating life of material 失效
标题翻译：用于估算材料寿命的试验片的制造
公开(公告)号：JPS5784332A
公开(公告)日：1982-05-26
申请号：JP15956380
申请日：1980-11-14
申请人： Hitachi Ltd
发明人： SHIYOUJI MORITAKA , NAKAGAWA YUUSAKU , TENNO HIROSHI
IPC分类号： G01M99/00 , G01N3/18 , G01N3/32
CPC分类号： G01N3/18
摘要： PURPOSE:To secure a sufficient number of test piece without damage to a steam turbine rotor by arranging a cylindrical test piece big enough for a compression stress to be applied thereon with a thermal expansion during the operating at a center hole of the rotor. CONSTITUTION:The center of a steam turbine is so cut through to use only sound material by removing defects developed during the casting. Heat resistant steel the same in the material as a cylindrical rotor is inserted into the centroal hole and after a fixed time of operation, taken out. Then, a non distructive inspection or a test piece is cut out to observe the texture and measure the hardness thereof thereby estimating the life. The cylindrical test piece is tightly inserted into the center hole and rotated being subjected to a compression stress due to a thermal expansion of both the bodies as the operation temperature rises. Fixed blades 2 are arranged on the circumference of a turbine shaft 1 and a nozzle 3 is provided on the fixed blades 2 while a center hole 4 is made therethrough and a test piece 5 is inserted thereinto.
摘要翻译：目的：通过在转子的中心孔处操作期间布置足够大的压缩应力的圆柱形试件，并在其上施加热膨胀，以确保足够数量的试件，而不损坏汽轮机转子。构成：蒸汽轮机的中心如此切割，只能通过去除铸造过程中产生的缺陷来使用声音材料。在与圆柱形转子的材料相同的耐热钢被插入中空孔中，并在固定的操作时间后取出。然后，切割非破坏性检查或试验片以观察织构并测量其硬度，从而估计寿命。圆柱形试件紧紧地插入中心孔中，随着操作温度升高，由于两个体的热膨胀而使其经受压缩应力。固定叶片2布置在涡轮轴1的圆周上，并且在固定叶片2上设置有喷嘴3，同时穿过中心孔4并插入试验片5。

76. 发明专利

JPS5784139A Manufacture of semiconductor device 失效
标题翻译：半导体器件的制造
公开(公告)号：JPS5784139A
公开(公告)日：1982-05-26
申请号：JP15951180
申请日：1980-11-14
申请人： Hitachi Ltd
发明人： BABA NOBORU , TENNO HIROSHI , OONUKI HITOSHI
IPC分类号： H01L21/52 , H01L21/58
CPC分类号： H01L24/83 , H01L24/29 , H01L2224/04026 , H01L2224/291 , H01L2224/29101 , H01L2224/8319 , H01L2224/8385 , H01L2924/01013 , H01L2924/01015 , H01L2924/01029 , H01L2924/014 , H01L2924/07802 , H01L2924/00
摘要： PURPOSE:To reduce melting of a semiconductor substrate into a solder material and to reduce forward directional voltage drop of the semiconductor device by a method wherein solder of Al-Si or Ge alloy is used on the exposed face side of an n type region, and Cu solder is arranged on the supporting electrode side. CONSTITUTION:Out of Al solder 2 provided on the p type, n type exposed faces of an Si wafer 1, solder on the n type exposed region is replaced with solder of Al-Si or Ge alloy 5. Adhesion of the Si wafer and the supporting electrode 3 is performed as to place alloy solder 5 between Cu solder 4 provided on the supporting electrode 3. Accordingly because melting of Si of the semiconductor substrate into the solder material is restrained, forward directional voltage drop of the semiconductor device can be reduced.
摘要翻译：目的：通过在n型区域的暴露面上使用Al-Si或Ge合金的焊料的方法，减少半导体衬底熔融成焊料并减少半导体器件的正向定向压降，并且铜焊料配置在支撑电极侧。构成：在p型上设置的Al焊料2中，Si晶片1的n +型露出面，n +型暴露区域上的焊料被Al-Si或Ge合金5的焊料代替。粘合力的Si晶片和支撑电极3的位置，以将合金焊料5放置在设置在支撑电极3上的Cu焊料4之间。因此，由于半导体衬底的Si熔融成焊料，所以能够抑制正向压降可以减少半导体器件。

77. 发明专利

JPS56166369A MEMBER HAVING AL COATED LAYER 失效
公开(公告)号：JPS56166369A
公开(公告)日：1981-12-21
申请号：JP6891280
申请日：1980-05-26
申请人： HITACHI LTD
发明人： OKAYAMA AKIRA , CHIKAZAKI MITSUO , OOTAKA KIYOSHI , KIZAWA KENICHI , TENNO HIROSHI
IPC分类号： C23C10/58
摘要： PURPOSE:To obtain a member having an Al coated layer with superior corrosion resistance at high temp. by dispersing a grained refractory metal having a high m.p. in a monoaluminide-Al coated layer formed on the surface of a heat resistant Ni alloy by composite coating and specifying the concn. of the grains. CONSTITUTION:A coated layer of a refractory metal having >=1,600 deg.C m.p. and Al is formed on the surface of a heat resistant alloy based on one or more among Fe, Ni and Co, and it is heated to form a monoaluminide diffused and penetrated layer. The refractory metal includes Cr, Ti, Pt, etc., and the concn. of >=1 kinds of the metals on the outermost surface of the diffused and penetrated layer is specified to 13.5-22wt%. The refractory metal is dispersed and precipitated in the monoaluminide-Al coated layer necessarily in the form of grains. When the concn. is below the lower limit, no effect is produced. On the contrary, at a concn. exceeding the upper limit the outermost surface of the Al coated layer is made porous, so the corrosion resistance at high temp. and the mechanical properties are deteriorated remarkably.

78. 发明专利

JPS56114337A MANUFACTURE OF SEMICONDUCTOR SUPPORTING ELECTRODE 失效
公开(公告)号：JPS56114337A
公开(公告)日：1981-09-08
申请号：JP1666180
申请日：1980-02-15
申请人： HITACHI LTD
发明人： BABA NOBORU , OONUKI HITOSHI , TENNO HIROSHI , KUNIYA KEIICHI , ARAKAWA HIDEO
IPC分类号： H01L21/52 , H01L23/492
摘要： PURPOSE:To obtain a supporting electrode having high conductivity, low thermal resistance and a low thermal expansion coefficient by laminating Cu or Al to a Cu-C filber compound body. CONSTITUTION:A composite fiber bundle of Cu-C with about 8mum diameter, plated with Cu with 1mum thickness is spirally wound, and temporarily sintered in the H2 at 350 deg.C. A Cu plate with the same diameter is stacked, and the whole is set into a graphite case, and pressed by the force of 1 ton in the H2 at 850 deg.C. In the molded electrode, a supporting electrode with the desired dimensions is cut out using the fiber compound body side as the reference. In this case, the texture of the C fibers are not disordered at all, and unified with the Cu plate. According to such constitution, the excellent semiconductor supporting electrode is obtained at high yield.

79. 发明专利

JPS5687195A DIFFERENTIAL PRESSURE TRANSMITTER 失效
公开(公告)号：JPS5687195A
公开(公告)日：1981-07-15
申请号：JP16412779
申请日：1979-12-19
申请人： HITACHI LTD
发明人： MATSUOKA YOSHITAKA , YAMAMOTO YOSHIKI , OSADA TAKEO , NAGASU AKIRA , KASAI SHIYOUZOU , YOSHIDA TOMOMASA , TENNO HIROSHI
IPC分类号： G01L13/02 , G08C23/00

80. 发明专利

JPS5680140A SEMICONDUCTOR DEVICE 失效
公开(公告)号：JPS5680140A
公开(公告)日：1981-07-01
申请号：JP15677679
申请日：1979-12-05
申请人： HITACHI LTD
发明人： OONUKI HITOSHI , TENNO HIROSHI , MORITA KEIICHI , BABA NOBORU
IPC分类号： H01L21/52 , H01L21/58 , H01L29/41
摘要： PURPOSE:To prevent the short circuit across electrodes caused by heat cycle under pressure by providing recessed deformation to surround the top side end sections of cathode elctrode films such as a transistor, and gate turn off type or field effect type thyristor or the like. CONSTITUTION:A metal foil 4 consisting of Fe-Ni-Co alloy or the like and deformed to cover all cathode electrode films 111 are provided between the cathode electrode films 111 and a cathode electrode plate 2. As the metal foil 4, the one removed distortion by water cooling after heat treatment and by annealing after rolling is used. The cathode electrode films 111 and gate electrode films 121 shall consist of Al or the like. And, for example, the cathode electrode plate 2 consists of W and is pressed to the cathode electrode films 111 through the metal foils 4 by the pressure of 200kg/cm . Furthermore, the difference in provided at the top sides of the cathode electrode films 111 and the gate electrode films 121 respectively. The short circuit across the electrodes by heat cycle under pressure will be prevented by applying the above procedures.

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